*{
  padding: 0;
  margin: 0;
  background-color: #262A33;
}
.up{
  height: 50vh;
  width: 100%;
  /* background-color: red; */
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  align-items: center;
}
.up3,.up2{
  height: 25vh;
  width: 90vw;
  /* background-color: black; */
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.up3 img,.up2 img{
  height: 13vh;
}
.down{
  height: 50vh;
  width: 100%;
  /* background-color: red; */
  display: flex;
  position: relative;
  align-items: center;
}
.dleft,.dright{
  background-color: #2BB55C;
  width: 50vw;
  height: 100%;
  font-size: 30px;
  text-align: center;
  line-height: 80px;
  color: aliceblue;
}
.dleft{
  border-top-right-radius: 40px;
}
.dright{
  border-top-left-radius: 40px;
}
.yao{
  height: 25vh;
  width: 50vw;
  position: absolute;
  background-color: #23262E;
  left: 25%;
  bottom: 0;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  font-size: 50px;
  text-align: center;
  line-height: 25vh;
  color: aliceblue;
  box-shadow: 0 0 10px #23262E;
}
.hide{
  height: 50vh;
  width: 50vh;
  background-color: #262A33;
  position: absolute;
  text-align: center;
  line-height: 50vh;
  display: none;
  font-size: 20vh;
  color: aliceblue;
  text-shadow: 0 0 10px aliceblue;
}
